Oxalic acid reacts with concentrated $H_2SO_4$ to produce a mixture of two gases. When this mixture is passed through caustic potash,one of the gases is absorbed. Which substance is formed by the absorption of the gas in caustic potash?
- A$K_2SO_4$
- B$K_2HCO_3$
- C$K_2CO_3$
- D$KOH$
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Similar Questions
Correlate the items listed in Column $I$ with those listed in Column $II$. Find out as many correlations as you can.
Column $I$ Column $II$ $A$. Synthesis gas $1$. $Na_2[Na_4(PO_3)_6]$ $B$. Dihydrogen $2$. Oxidising agent $C$. Heavy water $3$. Softening of water $D$. Calgon $4$. Reducing agent $E$. Hydrogen peroxide $5$. Stoichiometric compounds of $s-$block elements $F$. Salt like hydrides $6$. Prolonged electrolysis of water $7$. $Zn + NaOH$ $8$. $Zn + dil. H_2SO_4$ $9$. Synthesis of methanol $10$. Mixture of $CO$ and $H_2$
| Column $I$ | Column $II$ |
| $A$. Synthesis gas | $1$. $Na_2[Na_4(PO_3)_6]$ |
| $B$. Dihydrogen | $2$. Oxidising agent |
| $C$. Heavy water | $3$. Softening of water |
| $D$. Calgon | $4$. Reducing agent |
| $E$. Hydrogen peroxide | $5$. Stoichiometric compounds of $s-$block elements |
| $F$. Salt like hydrides | $6$. Prolonged electrolysis of water |
| $7$. $Zn + NaOH$ | |
| $8$. $Zn + dil. H_2SO_4$ | |
| $9$. Synthesis of methanol | |
| $10$. Mixture of $CO$ and $H_2$ |
Difficult
View SolutionMatch the correct option from Column $-A$ and Column $-B.$
Column $-A$ Column $-B$ $(1).$ $H_2O_2$ $(p).$ As moderator $(2).$ $D_2O$ $(q).$ As fuel $(3).$ Liquid $H_2$ $(r).$ For to make hard water soft $(4).$ Zeolite $(s).$ As disinfectant
| Column $-A$ | Column $-B$ |
| $(1).$ $H_2O_2$ | $(p).$ As moderator |
| $(2).$ $D_2O$ | $(q).$ As fuel |
| $(3).$ Liquid $H_2$ | $(r).$ For to make hard water soft |
| $(4).$ Zeolite | $(s).$ As disinfectant |
Medium
View SolutionIn which of the following reactions,hydrogen is liberated?
$(i)$ $Al_{(s)} + HCl_{(aq)} \rightarrow$
$(ii)$ $Al_{(s)} + NaOH_{(aq)} \rightarrow$
$(iii)$ $NaBH_4 + I_2 \rightarrow$
$(i)$ $Al_{(s)} + HCl_{(aq)} \rightarrow$
$(ii)$ $Al_{(s)} + NaOH_{(aq)} \rightarrow$
$(iii)$ $NaBH_4 + I_2 \rightarrow$
Sea divers use a mixture of
Match the following columns:
Column-$I$ Column-$II$ $(i)$ Hydrogen peroxide $(a)$ Used as air purifier in submarines $(ii)$ Calcium sulphate hemihydrate $(b)$ Used for water softening $(iii)$ Potassium superoxide $(c)$ Antiseptic $(iv)$ Calgon $(d)$ Plaster of Paris
| Column-$I$ | Column-$II$ |
| $(i)$ Hydrogen peroxide | $(a)$ Used as air purifier in submarines |
| $(ii)$ Calcium sulphate hemihydrate | $(b)$ Used for water softening |
| $(iii)$ Potassium superoxide | $(c)$ Antiseptic |
| $(iv)$ Calgon | $(d)$ Plaster of Paris |
Medium
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